{{- $fullWidth := .Site.Params.fullWidth -}}
{{- $section := strings.TrimPrefix (relLangURL "/") .FirstSection.RelPermalink | strings.TrimSuffix "/" -}}
{{- with .Site.Params.fullWidthInSections -}}
    {{- if isset . $section -}}
        {{- $fullWidth = index . $section -}}
    {{- end -}}
{{- end -}}
{{- return $fullWidth -}}